Sample CD-21
NavDat sample number 14972 · GABBRO
Sample
| Sample ID | CD-21 |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Thomas P. Frost |
| Comment | Coarse ol-cpx-hb gabbro. Ol is rimmed by radial growths of pl+cpx+pl |
Location
| Latitude | 37.5833 |
|---|---|
| Longitude | -118.667 |
| Location | Eastern Sierra Nevada |
| State / province | California |
| Volcanic field | Casa Diablo |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 179 | 148 | 210 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 41.4 | WT% | XRF | |
| TIO2 | 0.63 | WT% | XRF | |
| AL2O3 | 20.9 | WT% | XRF | |
| FE2O3 | 11 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 10.1 | WT% | XRF | |
| CAO | 12.7 | WT% | XRF | |
| NA2O | 0.86 | WT% | XRF | |
| K2O | 0.24 | WT% | XRF | |
| P2O5 | 0.05 | WT% | XRF | |
| LOI | 2 | WT% | XRF | |
| V | 225 | PPM | XRF | |
| CR | 115 | PPM | EDXRF | |
| NI | 66 | PPM | EDXRF | |
| ZN | 93 | PPM | EDXRF | |
| RB | 12 | PPM | EDXRF | |
| SR | 790 | PPM | EDXRF | |
| Y | 7 | PPM | EDXRF | |
| ZR | 30 | PPM | EDXRF | |
| NB | 3 | PPM | EDXRF | |
| BA | 125 | PPM | EDXRF |